OPERATION OF FILTER CLEANING AND DRYING EQUIPMENT

• PROCEDURE:

•   PRECAUTIONS:
• Check the service doors for closed condition before starting the Filter Cleaning equipment.
• Check the damper position as per standard marking, if not in proper position adjust it.
• First switch on the Dust extraction system and then switch on the Filter Cleaning equipment.
• Ensure the drying equipment temperature should not exceed 50ºC.
• STARTING
• Ensure that filter cleaning and drying equipment filters are cleaned before starting the operation and record the filter cleaning activity in Annexure-III.
• Dust extraction system filters will be cleaned whenever the differential filters exceed the limit (specified limit: 20 mm of WC to 150mm of WC) or weekly once, whichever is earlier. Filter cleaning activity will be recorded in Annexure-III.
• Start the dust extraction system by pressing the start push button. Start the filter cleaning equipment by pressing the start push button. Observe for any abnormal sound or vibrations.
• Record the activity in the Annexure-I.
• Clean the filters as per the SOP. 
• Starts the filter drying equipment by turning selector switches to on position and press the start push button and set the temperature to 50ºC.
• Dry the filters as per the SOP. 
• STOPPING
• Stop the filter cleaning equipment by pressing the stop push button.
• Record the activity in the Annexure-I.
• Stop the dust extraction system by pressing the stop push button.
• Stop the filter drying equipment by pressing stop push button and turn off the selector switch.
• Record the activity in Annexure-II.
• REFERENCES:
•   Not Applicable
• ANNEXURES: 

• DISTRIBUTION:
• Controlled Copy No. 01                     Head Quality Assurance
• Controlled Copy No. 02                 Head-Engineering
• Master Copy                           Quality Assurance Department
• ABBREVIATIONS:
• SOP     :      Standard Operating Procedure
• REVISION HISTORY:
• CHANGE HISTORY LOG

Annexure-I
FILTER CLEANING EQUIPMENT

Annexure-II
FILTER DRYING EQUIPMENT

Annexure-III
FILTER CLEANING RECORD OF FILTER CLEANING AND DRYING EQUIPMENT